Rove Mobile, an enterprise software company that develops products for handheld devices, also conducted a successful swag campaign this year. John Angelo, director of the marketing and communications firm Abelson Group, which works with Rove, says the mobile company took excellent advantage of its opportunities as a sponsor of May's Wireless Enterprise Symposium.

As a sponsor, Rove was entitled to contribute an item to the giveaway bag distributed to all conference attendees. Rove handed out a key attached to a card that invited attendees to visit the software company's booth to see if it fit into a safe stationed there. Five of the keys distributed would unlock the safe, resulting in a cool $1,000 for the key's owner.

At last year's safe-less, key-less conference, Rove generated 500 sales leads. This year the company had three times as many walk-ups to the booth and left the conference with 1,700 sales leads.